Explanation:The main functions of polysaccharides in plants are the protection and energy. If you look carefully, plant cell walls are made up of cellulose and hemicellulose. These two are the major plant polysaccharides that provide rigidity and physical strength the cell wall and the whole plant. :)
Answer:
A beacuse they can die without food
D is the answer! I just had this question and it was right !